Beethoven Project Trio: The ensemble — George Lepauw, piano; Sang Mee Lee, violin; Wendy Warner, cello — concludes its cycle of the complete Beethoven piano trios. The program heralds the May release of the group's Cedille recording of a recently discovered early Beethoven trio, whose world premiere it gave last year. 7 p.m. Thursday and May 7 at Nichols Concert Hall, Music Institute of Chicago, 1490 Chicago Ave., Evanston; $20; 312-772-5821,beetho

Third Coast Percussion: For its season finale, the Chicago-based ensemble gives the local premiere of German composer Wolfgang Rihm's sextet "Tutuguri VI," with Cliff Colnot conducting. 7:30 p.m. Saturday at International House, University of Chicago, 1414 E. 59th St.; $10; 248-909-4075,thirdcoast